Co-founder Jordan Greenhall, a former Mp3.com executive, learned of the codec from friends, and used it to download a copy of 'The Matrix'. The codec became popular because it enabled reasonable quality video transmission over the internet (see DivX). Gej was looking for a way to compress his portfolio so he could transmit it using the Audio Video Interleave file format (AVI). began with video engineer Jérôme Rota (aka Gej), who made the original 'DivX -)' codec available on his personal website after he had reverse-engineered the Microsoft MPEG-4 V3 codec. DivX certifies that these licensed products are able to properly play DivX-encoded video. DivX, LLC also licenses its technologies to manufacturers of consumer electronics devices and components used in these devices, of which over 1 billion DivX-enabled devices have shipped worldwide. DivX, LLC's offerings have expanded beyond the codec to include software for viewing and authoring DivX-encoded video. The company's software has been downloaded over 1 billion times since January 2003. DivX, LLC is best known as a producer of three codecs: an MPEG-4 Part 2-based codec, the H.264/MPEG-4 AVC DivX Plus codec and the High Efficiency Video Coding DivX HEVC Ultra HD codec.

( / ˈ d ɪ v ɪ k s/ now DivX, LLC and also formerly known as DivXNetworks, Inc.) is a privately held video technology company based in San Diego, California.

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